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Finding the Fourth Proportional to 223,752.65, 307,998.80 and 195,022.39

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Solution

The fourth proportional to 223,752.65, 307,998.80 and 195,022.39 is: 268,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,752.65 : 307,998.80 = 195,022.39 : x
  2. Step 2: Convert to fraction form
    223,752.65/307,998.80 = 195,022.39/x
  3. Step 3: Cross multiply
    223,752.65x = 307,998.80 × 195,022.39
  4. Step 4: Simplify right side
    223,752.65x = 60,066,660,348.02
  5. Step 5: Solve for x
    x = 60,066,660,348.02/223,752.65
  6. Step 6: Final answer
    x = 268,451.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.